Solve for x (1-tan(x)^2)/(1+tan(x)^2)=cos(2x)

Solve for x (1-tan(x)^2)/(1+tan(x)^2)=cos(2x)
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Name

Name two hundred eighty-two million seven hundred seventy-five thousand five hundred ninety-one

Interesting facts

  • 282775591 has 8 divisors, whose sum is 323512704
  • The reverse of 282775591 is 195577282
  • Previous prime number is 971

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 46
  • Digital Root 1

Name

Name five hundred fifteen million six hundred fifty-nine thousand eight hundred ninety-one

Interesting facts

  • 515659891 has 4 divisors, whose sum is 516501712
  • The reverse of 515659891 is 198956515
  • Previous prime number is 613

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 49
  • Digital Root 4

Name

Name one billion three hundred twenty-two million eight hundred ninety-eight thousand four hundred ninety-two

Interesting facts

  • 1322898492 has 64 divisors, whose sum is 4020503040
  • The reverse of 1322898492 is 2948982231
  • Previous prime number is 1103

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 48
  • Digital Root 3